activity
20152023
most citedDeep Learning with Topological Signatures

100 citations · 223 across the 14 of their papers we have counts for

collaborators

16 papers

eess.IV2023★ 27 cited

Exploring Deep Learning Image Super-Resolution for Iris Recognition

Eduardo Ribeiro, Andreas Uhl, Fernando Alonso-Fernandez +1

In this work we test the ability of deep learning methods to provide an end-to-end mapping between low and high resolution images applying it to the iris recognition problem. Here,…

cs.CV2023★ 7 cited

Deep Learning in the Field of Biometric Template Protection: An Overview

Christian Rathgeb, Jascha Kolberg, Andreas Uhl +1

Today, deep learning represents the most popular and successful form of machine learning. Deep learning has revolutionised the field of pattern recognition, including biometric rec…

cs.CV2023★ 1 cited

Advanced Image Quality Assessment for Hand- and Fingervein Biometrics

Simon Kirchgasser, Christof Kauba, Georg Wimmer +1

Natural Scene Statistics commonly used in non-reference image quality measures and a deep learning based quality assessment approach are proposed as biometric quality indicators fo…

cs.CV2022★ 26 cited

Experimental analysis regarding the influence of iris segmentation on the recognition rate

Heinz Hofbauer, Fernando Alonso-Fernandez, Josef Bigun +1

In this study the authors will look at the detection and segmentation of the iris and its influence on the overall performance of the iris-biometric tool chain. The authors will ex…

cs.CV2022★ 32 cited

Iris super-resolution using CNNs: is photo-realism important to iris recognition?

Eduardo Ribeiro, Andreas Uhl, Fernando Alonso-Fernandez

The use of low-resolution images adopting more relaxed acquisition conditions such as mobile phones and surveillance videos is becoming increasingly common in iris recognition nowa…

cs.CV2022★ 4 cited

Super-Resolution and Image Re-projection for Iris Recognition

Eduardo Ribeiro, Andreas Uhl, Fernando Alonso-Fernandez

Several recent works have addressed the ability of deep learning to disclose rich, hierarchical and discriminative models for the most diverse purposes. Specifically in the super-r…

cs.CV2022★ 5 cited

Extensive Threat Analysis of Vein Attack Databases and Attack Detection by Fusion of Comparison Scores

Johannes Schuiki, Michael Linortner, Georg Wimmer +1

The last decade has brought forward many great contributions regarding presentation attack detection for the domain of finger and hand vein biometrics. Among those contributions, o…

eess.SP2021★ 2 cited

Roadmap on Signal Processing for Next Generation Measurement Systems

D. K. Iakovidis, M. Ooi, Y. C. Kuang +31

Signal processing is a fundamental component of almost any sensor-enabled system, with a wide range of applications across different scientific disciplines. Time series data, image…

cs.CV2021

Using CNNs to Identify the Origin of Finger Vein Image

Babak Maser, Andreas Uhl

We study the finger vein (FV) sensor model identification task using a deep learning approach. So far, for this biometric modality, only correlation-based PRNU and texture descript…

cs.CV2021

Identifying the Origin of Finger Vein Samples Using Texture Descriptors

Babak Maser, Andreas Uhl

Identifying the origin of a sample image in biometric systems can be beneficial for data authentication in case of attacks against the system and for initiating sensor-specific pro…

cs.CV2021

Two-stage CNN-based wood log recognition

Georg Wimmer, Rudolf Schraml, Heinz Hofbauer +2

The proof of origin of logs is becoming increasingly important. In the context of Industry 4.0 and to combat illegal logging there is an increasing motivation to track each individ…

cs.CV2020★ 5 cited

Enabling Fingerprint Presentation Attacks: Fake Fingerprint Fabrication Techniques and Recognition Performance

Christof Kauba, Luca Debiasi, Andreas Uhl

Fake fingerprint representation pose a severe threat for fingerprint based authentication systems. Despite advances in presentation attack detection technologies, which are often i…

eess.IV2020

Improving Endoscopic Decision Support Systems by Translating Between Imaging Modalities

Georg Wimmer, Michael Gadermayr, Andreas Vécsei +1

Novel imaging technologies raise many questions concerning the adaptation of computer-aided decision support systems. Classification models either need to be adapted or even newly…

cs.CV2020★ 12 cited

Demographic Bias: A Challenge for Fingervein Recognition Systems?

P. Drozdowski, B. Prommegger, G. Wimmer +4

Recently, concerns regarding potential biases in the underlying algorithms of many automated systems (including biometrics) have been raised. In this context, a biased algorithm pr…

cs.CV2017★ 100 cited

Deep Learning with Topological Signatures

Christoph Hofer, Roland Kwitt, Marc Niethammer +1

Inferring topological and geometrical information from data can offer an alternative perspective on machine learning problems. Methods from topological data analysis, e.g., persist…

cs.CV2015★ 2 cited

Proceedings of The 39th Annual Workshop of the Austrian Association for Pattern Recognition (OAGM), 2015

Sebastian Hegenbart, Roland Kwitt, Andreas Uhl

The 39th annual workshop of the Austrian Association for Pattern Recognition (OAGM/AAPR) provides a platform for presentation and discussion of research progress as well as researc…